Controlling gigahertz and terahertz surface ...
Document type :
Compte-rendu et recension critique d'ouvrage
Title :
Controlling gigahertz and terahertz surface electromagnetic waves with metamaterial resonators
Author(s) :
Chen, Wenchen [Auteur]
Boston College [BC]
Mock, J.J. [Auteur]
Duke University [Durham]
Smith, D.R. [Auteur]
Duke University [Durham]
Akalin, Tahsin [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Padilla, Willie J. [Auteur]
Boston College [BC]
Boston College [BC]
Mock, J.J. [Auteur]
Duke University [Durham]
Smith, D.R. [Auteur]
Duke University [Durham]
Akalin, Tahsin [Auteur]

Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Padilla, Willie J. [Auteur]
Boston College [BC]
Journal title :
Physical Review X
Pages :
0210162
Publisher :
American Physical Society
Publication date :
2011
ISSN :
2160-3308
English keyword(s) :
Metamaterials
Optoelectronics
Plasmonics
Optoelectronics
Plasmonics
HAL domain(s) :
Physique [physics]/Matière Condensée [cond-mat]/Science des matériaux [cond-mat.mtrl-sci]
Sciences de l'ingénieur [physics]/Electronique
Sciences de l'ingénieur [physics]/Electromagnétisme
Sciences de l'ingénieur [physics]/Electronique
Sciences de l'ingénieur [physics]/Electromagnétisme
English abstract : [en]
We computationally and experimentally investigate the use of metamaterial resonators as bandpass filters and other components that enable control of guided surface electromagnetic waves. The guided surface electromagnetic ...
Show more >We computationally and experimentally investigate the use of metamaterial resonators as bandpass filters and other components that enable control of guided surface electromagnetic waves. The guided surface electromagnetic wave propagates on a planar Goubau line, launched via a coplanar waveguide coupler with 50Ω impedance. Experimental samples targeted for either microwave or terahertz frequencies are measured and shown to be in excellent agreement with simulations. Metamaterial elements are designed to absorb energy only of the planar Goubau line and yield narrow-band resonances with relatively high quality factors. Two independent configurations of coupled metamaterial elements are demonstrated that modify the otherwise flat transmission spectrum of the planar Goubau line. By physically shunting the capacitive gaps of the coupled metamaterial elements, we demonstrate the potential for a large dynamic range in transmissivity, suggesting the use of this configuration for high-bandwidth terahertz communications.Show less >
Show more >We computationally and experimentally investigate the use of metamaterial resonators as bandpass filters and other components that enable control of guided surface electromagnetic waves. The guided surface electromagnetic wave propagates on a planar Goubau line, launched via a coplanar waveguide coupler with 50Ω impedance. Experimental samples targeted for either microwave or terahertz frequencies are measured and shown to be in excellent agreement with simulations. Metamaterial elements are designed to absorb energy only of the planar Goubau line and yield narrow-band resonances with relatively high quality factors. Two independent configurations of coupled metamaterial elements are demonstrated that modify the otherwise flat transmission spectrum of the planar Goubau line. By physically shunting the capacitive gaps of the coupled metamaterial elements, we demonstrate the potential for a large dynamic range in transmissivity, suggesting the use of this configuration for high-bandwidth terahertz communications.Show less >
Language :
Anglais
Popular science :
Non
Source :
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